Tubular body such as a pipe, hollow mast, or the like.



H. SIEGWART. TUBULAR BODY SUCH AS A PIPE, HOLLOW MAST, OR THE LIKE,

APPLICATION FILED SEPT. 20, 1911.

1,076,61 1, Patented 005. 21, 1913.

Witneases.

44 Q m 3W 1 g side of the wrapping sheet, and a plastic layer covering the winding.

' adjacent plane sides of the fillets and end to end in spaced relation with spaces between all. parts of ad acent plane end surfaces to :torxn a tubular layer of spaced fillets in which the fillets are completely separated from one another longitudinally of the tubular body and are angularly spaced eircumferentially thereof, an adherent binder in all the spaces between the fillets, a woven fabric wrapping sheet surrounding and holding the layer of fillets and, the

binder, and a wire reinforcing winding.

proximate to the outside of the woven fabric wrapping sheet.

4. A tubular body comprising til-lets shorter than the tubular body and. arranged in spaced relation end to end in rows longitudinally of the tubular body with their inner corners in adjacent rows substantially in'contact and their outer corners angularly spaced, an adherent binder in the spaces between the fillets, ,and reinlorcingrods-extending longitudinally in the angular spaces between the rows of fillets. I

5. A tubular body comprising fillets shorter than the tubular body and arranged spaced relation end to end in rows longitudinally of the tubular body with their inner corners in adjacent rows substantially in contact and their outereorners angularly spaced, an adherent binder in the spaces between the fillets, reinforcing rods extending longitudinallygin the angular spaces between the rows of fillets, a flexible wrapping sheet surroundin and holding the layer oi fillets and the r0 s, and a Wire reinforcing winding proximate to the outside ofthe wrapping sheet.

6. A. tubular body comprising oblong fillet-s shorter than the tubular body arranged in spaced relation end to end in rows longitudinally of the tubular body with theirinner corners in adjacent rows substantially 1n contact and their outer corners angular-1y l spaced and with the fillets in anyone row breaking joints-With those in the next adjacent rows, an adherent binder in the spaces between the fillets, strengthening rods extending longitudinally in the angular spaces between the rows of fillets, a flexible wrapping sheet surrounding and holding the layer of fillets and the rods, an inextensible reinforcing winding proximate to the outside of the Wrapping sheet, a plastic layer outward from the Wrapping sheet, and a plastic layer inward from the layer of fillets.

In testimony whereof I have signed my name to this specification in the presence of two subscribing Witnesses.

HANS SIEG-WARIX,

Witnesses Laorono SCHUMAOHER, PAUL Dnnmnsn. 

